Prenatal sonographic diagnosis, assessment, and management of a fetus with a quadruple nuchal cord at 39 weeks' gestation.

A case of prenatal sonographic diagnosis of a quadruple nuchal cord is presented. Perinatal assessment included nonstress, oxytocin challenge testing, and Doppler velocimetry studies of the umbilical artery and fetal vibratory acoustic stimulation. Obstetric management of this case is discussed.